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Model LD-5 PM2.5 Digital Dust Indicator is a simple indicator, focusing on mobility, which measures the concentration of PM2.5 particulate matter floating in the air. Features High portability and fast measurement Digital Indicator adopting light scattering method With a PM2.5 Cyclone Particle Size Selector at the air inlet By replacing PM2.5 Cyclone Particle Size Selector with ...

The LD-3B is the latest model for measuring dust particles in the work environment. The LD-3B determines relative dust concentrations by measuring the intensity of laser beam scattered by dust. Features Provides 3 types of standard data output: RS232C, 0-1V voltage output and non voltage pulse output. Easily convert mass concentration of measured value and diplay it by pre-setting a conve ...

The LD-5D is an aerosol photometer designed to read relative mass concentration of aerosol in high concentration. It is designed to read mg/m3 directly, however it should be remembered that the calibration is strictly valid for the calibration particle. To measure the accurate mass concentration of the aerosol at hand, a comparison measurement using the gravimetric method will be needed to convert ...